Sharp Electronics EL-501XBWH Scientific CalculatorSharp Electronics' Commitment to InnovationSharp Electronics strives to help you create a balance between work and personal time. Our products enhance life at work, at home, and everywhere in between. Sharp is dedicated to improving lives through the use of advanced technology and a commitment to innovation, quality, value and design.Superior FunctionalityThe EL-501XBWH is a fully-functional, high quality scientific calculator that performs over 130 scientific and math functions. This conveniently sized calculator fits perfectly on your desk at home or at work, and it is lightweight so you can take it with you wherever you go. Also, it has a large, easy to read display and a hardcover that protects it from scratching and damage. Perfect for StudentsAdvanced technology and engineering gives you the pin-point accuracy you expect from Sharp Electronics. This calculator is ideal for students who are studying general math, pre-algebra, algebra, and trigonometry.Features10-digit, 1-line LCD displayFunctions - 131 functions and 1 memoryProtective Hardcover - Hard cover protects from scratches.Gloss black case with green accentsSpecial FunctionsN-base Calculation(HEX,DEC,BIN,OCT)Complex Number Calculation½ Variable Statistics EL-501XBWH EL-501XBGR EL-531XBWH EL-531XBGR EL-520XBWHEL-W535XBSLEL-506XBWHEL-W516XBSLPhysical Dimensions WxHXD (Inches)3.1x5.7x.53.1x5.7x.53.1x6.1x.53.1x6.1x.53.1x6.1x.53.1x6.4x.63.1x6.1x.53.1x6.4x.6Weight (ounces)2.62.63.43.43.44.13.43.6PowerBattery onlyBattery onlyBattery onlyBattery onlyTwin Power(Solar+battery)Battery onlyTwin Power(Solar+battery)Twin Power(Solar+battery)Display Display 1-Line1-Line2-Line2-Line2-Line4-Line2-Line4-LineExponent symbol(x10)NoNoYesYesYes (E)Yes (E)YesYes (E)Display "=" (on result display)NoNoYesYesYesYesYesYesWriteViewNoNoNoNoNoYesNoYesBasic Features Number of functions131131272272419335469556Editing EquationNoNoYesYesYesYesYesYesPlayback Equation NoNoYesYesYesYesYesYesMulti-line playbackNoNoNoNoNoYesNoYesNumber of Memory11999999Last Answer MemoryNoNoYesYesYesYesYesYesStatistics Data StoreNoNoYesYesYesYesYesYes